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Wave Equation

The frequency...

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The frequency changes by 10% as a sound wave approaches a stationary observer with constant speed vs . What would be percentage change n the frequency as the source recedes the observer with same speed (vs

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Q. The frequency changes by

10 %

as a sound source approaches a stationary observer with constant speed

V_{S} .

What would be the percentage change in frequency as the source recedes the observer with the same speed. Given that

V_{S}

Q. The frequency changes by 10% as a sound source approaches a stationary observer with constant speed vs. what would be the percentage change in frequency as the source recedes the observer with the same speed. Given that

v_{s} < v

. (v = speed of sound in air)

Q. The frequency changes by 10% as the source approaches a stationary observer with constant speed Vs. What should be the percentage change in frequency as the source recedes from the observer with the same speed? Given that Vs ≪ v(v is the speed of sound in air).

Q. When a source of sound of frequency f crosses a stationary observer with a speed

v_{S}

(<< speed of sound v), the apparent change in frequency

△ f

Q. A siren of frequency

f_{0}

approaches a stationary observer and then recedes from the observer. If the velocity of source

v_{s}

satisfies the condition

(v_{s} ≪ v)

v

is the velocity of sound, then the apparent change in frequency is:

[Assume, medium is stationary]

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